How To Fix SDDL_PARSER_MSG313 - Only key fields from parent are allowed in to-parent associations

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 313

• Message text: Only key fields from parent are allowed in to-parent associations

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG313 - Only key fields from parent are allowed in to-parent associations ?

  The SAP error message SDDL_PARSER_MSG313 indicates that there is an issue with the definition of a to-parent association in your data model. Specifically, this error occurs when you attempt to include non-key fields from a parent entity in a to-parent association. In SAP, to-parent associations are designed to link child entities to their parent entities using only the key fields of the parent.
  
  Cause:
  The primary cause of this error is that the association you are trying to create includes fields that are not part of the key of the parent entity. In SAP data modeling, to-parent associations must strictly use key fields to ensure proper relationships and data integrity.
  
  Solution:
  To resolve this error, you should:
  
  
  Review the Association Definition: Check the definition of the to-parent association in your data model. Ensure that you are only using key fields from the parent entity.
  
  
  Modify the Association: If you have included non-key fields in the association,